hl #18130 Fix LastFm webscrapping code

Use Zend_Dom_Query

library/Class/WebService/Lastfm.php

@@ -219,43 +219,46 @@ class Class_WebService_Lastfm  extends Class_WebService_Abstract {
 		$url=str_replace(" ","+",$url);
 
 		$data = self::getHttpClient()->open_url($url);
-		
-		// Bloc des albums
-		$pos=strPos($data,'<ul class="albums',0);
-		if(!$pos) return false;
-		$posfin=strPos($data,'</ul>"',$pos);
-		$data=substr($data,$pos,($posfin-$pos));
-		
-		while(true)
-		{
-			$pos=strPos($data,'<div class="resContainer">');
-			if(!$pos) break;
-			$index=count($albums);
-			// Vignette
-			$pos=strPos($data,'src=',$pos)+5;
-			$posfin=strPos($data,'"',$pos);
-			$albums[$index]["vignette"]=substr($data,$pos,($posfin-$pos));
-			// Titre
-			$posfin=strPos($data,'</a>',$posfin);
-			for($pos=$posfin; $data[$pos] != ">"; $pos--);
-			$pos=$pos+1;
-			$albums[$index]["titre"]=trim(substr($data, $pos,($posfin-$pos)));
-			// date et nbre de pistes
-			$pos=strpos($data,'<p class="label">',$posfin);
-			if($pos)
-			{
-				$posfin=strpos($data,'</p>',$pos);
-				$bloc=substr($data,$pos,($posfin-$pos));
-				$bloc=str_replace("Released","Sortie le",$bloc);
-				$bloc=str_replace("track","titre",$bloc);
-				$elem=explode('<br />',$bloc);
-				for($i=0; $i < count($elem); $i++) $elem[$i]=trim(strip_tags($elem[$i]));
-				$albums[$index]["infos"]=$elem;
+		$dom = new Zend_Dom_Query($data);
+		$elements = $dom->queryXpath('//ul[contains(@class,"albums")]/li');
+		$albums = [];
+		foreach ($elements as $element) {
+			$album = [];
+			$dom = $dom->setDocumentHtml($element->ownerDocument->saveHtml($element));
+
+			$titles = $dom->query('.album-item-details a.link-reference h3');
+			foreach ($titles as $title) {
+				if (isset($title)) {
+					$album['titre'] = $title->textContent;
+				}
 			}
-			// Eliminer le bloc
-			$data = substr($data,$posfin);
+
+			$covers = $dom->query('a.album-item-cover img');
+			foreach ($covers as $cover) {
+				if (isset($cover) && isset($cover->attributes)) {
+					$album['vignette'] = $cover->attributes->getNamedItem('src')->value;
+				}
+			}
+
+			$release_dates = $dom->query('.album-item-details time');
+			foreach ($release_dates as $release_date) {
+				if (isset($release_date) && isset($release_date->attributes)) {
+					$date = $release_date->attributes->getNamedItem('datetime')->value;
+					$date = strftime('%d/%m/%Y', strtotime($date));
+					$album['infos'][] = "Sortie le $date";
+				}
+			}
+
+			$tracks_counts = $dom->query('.album-item-details span[itemprop="numTracks"]');
+			foreach ($tracks_counts as $tracks_count) {
+				if (isset($tracks_count)) {
+					$album['infos'][] = $tracks_count->textContent . " titres";
+				}
+			}
+
+			$albums[] = $album;
 		}
-		//tracedebug($albums,true);
+
 		return $albums;
 	}